Finding the Fourth Proportional to 380,827.95, 525,753.14 and 340,444.99
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Solution
The fourth proportional to 380,827.95, 525,753.14 and 340,444.99 is: 470,002.33
Step by Step Solution
- Step 1: Write the proportion equation
380,827.95 : 525,753.14 = 340,444.99 : x - Step 2: Convert to fraction form
380,827.95/525,753.14 = 340,444.99/x - Step 3: Cross multiply
380,827.95x = 525,753.14 × 340,444.99 - Step 4: Simplify right side
380,827.95x = 178,990,022,489.77 - Step 5: Solve for x
x = 178,990,022,489.77/380,827.95 - Step 6: Final answer
x = 470,002.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.